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Phanaeus difformis LeConte (Coleoptera: Scarabaeidae): Clarification of Published Descriptions, Notes on Biology, and Distribution in Texas

Richard R. Blume and Alton Aga
The Coleopterists Bulletin
Vol. 30, No. 2 (Jun., 1976), pp. 199-205
Stable URL: http://www.jstor.org/stable/3999824
Page Count: 7
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Phanaeus difformis LeConte (Coleoptera: Scarabaeidae): Clarification of Published Descriptions, Notes on Biology, and Distribution in Texas
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Abstract

A clarification of published descriptions of Phanaeus difformis LeConte is presented. The species is found statewide and prefers, but is not restricted to, sandy soils in open pastures. It is primarily coprophagous and is attracted to swine and human feces. Field studies indicate that activities of the species (burrowing, nidification) parallel those of P. vindex MacLeay. In the laboratory, an average of 1 egg ball (ca. 32.4 gr each), was constructed every 8 days. Development time (egg to adult) was 6 to 12 months. Adults survived a maximum of 473 days. As determined by laboratory studies, color in this species seems to be genetically controlled.

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